If you come to my house, you never know which Mary you may find. It all depends on the accessories.
Engineer Mary wearing a construction hat.
Party-time Mary wearing an old firetruck party hat from David's birthday.
Student Mary wearing a Nemo backpack.
Poultry Mary wearing a Turkey crown.
Glamour Mary wearing gaudy old beaded necklaces.
Clown Mary wearing David's shoes.
Super Mary wearing a safety-pinned blanket as a cape. (My personal favorite.)
Or perhaps Doctor Mary, complete with shoes and a coat, ready to make that house call: